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40.685MHz Keyring Two Channel Handset


40.685MHz Keyring Two Channel Handset

A replacement two channel 40.685MHz keyfob handset for use with early Sommer or Henderson; Marathon, Sprint and Duo garage door openers manufactured before July 2001 and Aperto models manufactured before March 2002.

  • Type: TX 02-40-2
  • Manufacturers Part No. 4050
  • Controls up to two doors individually
  • Programming instructions supplied
  • 12 Volt LR23A battery included

Identification is easy – The Sommer or Henderson part number can be found on the back of the handset and the frequency can be confirmed by the label on the receiver unit or on the opener. Old and new frequencies are not compatible with each other so correct identification is critical.

Sommer or Henderson openers manufactured after the above dates use the current 868.3MHz frequency.

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